головна баластна цистерна
ballast tank
main tank/ main fuel tank
ballast
main defense area (line) / main defensive position
main gear box / main rotor transmission
main rotor transmission / main gear box
main-rotor head / main-rotor hub
main-rotor hub / main-rotor head
main battle tank (MBT)
direction of the main blow
form the main effort
main (fighting) force(s)
Main Air Traffic Flow Management Centre (MATFMC)
Main Armaments Directorate of the RF Armed Forces
main attack
main base
main battery
main battle area (MBA)
main battle force
main blow
main body
main charge
main command post
main concentration (of troops)
main control room
main convoy
main crossing
main defense forces
main direction of the attack
main dressing station
main effort
main effort in offensive